[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Proposed RC fix for acct



Hi,

On Sun, Jul 06, 2025 at 12:32:31PM -0300, Carlos Henrique Lima Melara wrote:
> 
> Anyway, I'm having a bad time trying to reproduce the buffer overflow on
> a trixie vm, basically doing accton on; lastcomm; dump-acct
> /var/log/account/pacct; works just fine. All the reports [1][2][3]
> says I should see a core dump either in lastcomm or dump-acct, but thing
> just work (tm) and I'm a bit confused hahahahahaha

For completeness sake, we were able to reproduce the issue and confirm
the fix. It requires building acct with FORTIFY_SOURCE=3 and that was
why I wasn't able to reproduce it in Debian. A quick rebuild got me the
core dump and applying the proposed patch fixed it.

Cheers,
Charles


Reply to: